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ABUNDANCE AND CHARACTERISTICS OF MICROPLASTICS IN MARKET BIVALVE Aulacomya Atra (MYTILIDAE: BIVALVIA). Acta biol.Colomb.
Enrique-DE-LA-TORRE,Gabriel; Pilar-LAURA,Rosa; Meliza-MENDOZA-CASTILLA,Lisseth.
ABSTRACT Seafood contamination with microplastics is one major route for human intake. Shellfish are among the most important since most shellfish species are eaten fresh and entirely. The aim of the present study was to report the abundance and characteristics of microplastics in commercial bivalve Aulacomya atra sold in fisheries from three Peruvian provinces. Market surveys were carried out and standard microplastic extraction, observation, and analysis methods were conducted. The mean microplastic abundance in the three provinces was 0.56 ± 0.08 MP g-1. Lima, the most populated province in Peru, presented the highest concentration (1.04 ± 0.17 MP g-1). The majority of the microplastics were fiber/lines (58.8 %) and blue (40.5 %). The polymer identity...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microfibre; Nanoplastic; Peru; Plastic debris; Mussel.
Ano: 2022 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2022000200232
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Trash in paradise: marine debris on the beaches of San Andrés Island, Seaflower Biosphere Reserve, Colombian Caribbean Boletín de Investigaciones
Gavio,Brigitte; Vargas-Llanos,July Paulin; Mancera-Pineda,José Ernesto.
ABSTRACT San Andres Island is one of the main touristic places in Colombia, and its main attractions are its sandy beaches and the marine coastal ecosystems, such as coral reef and seagrass beds. However improper behavior of both residents and tourists on solid residue disposal may threaten not only the aesthetic of the island´s beaches, but also poses risk to marine life. The objective of this research was to assess the amount of litter on the main beaches of the island. We surveyed three popular beaches for ten weeks. We collected 9894 units of litter, equivalent to a weight of 23 212.47 g. Beach cleanliness was estimated using the Clean Coast Index, and two of the three sites resulted “extremely dirty”, while the third was classified as “dirty”. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Clean Coast Index; Colombian Caribbean; Plastic debris; Beach cleanness..
Ano: 2022 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612022000100037
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An evaluation of surface micro- and mesoplastic pollution in pelagic ecosystems of the Western Mediterranean Sea ArchiMer
Faur, Florian; Saini, Camille; Potter, Gael; Galgani, Francois; De Alencastro, Luiz Felippe; Hagmann, Pascal.
This study examines the distribution, abundance and characteristics of surface micro- and mesoplastic debris in the Western Mediterranean Sea. 41 samples were collected in 2011 (summer) and 2012 (summer). Results, firstly, revealed that micro- (<5mm) and mesoplastic debris were widely and uniformly distributed in this area with average concentrations of 130,000 parts/km(2) and 5700 parts/km(2), respectively. Importantly, a strong correlation between micro- and mesoplastic concentrations was identified. Secondly, a classification based on the shape and appearance of microplastics indicated the predominant presence of fragments (73 %) followed by thin films (14 %). Thirdly, the average mass ratio of microplastic to dry organic matter has been measured at...
Tipo: Text Palavras-chave: Plastic debris; Marine pollution; Mediterranean Sea; Surface net tow; Microplastic pollution; Neustonic plastic.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00275/38629/37311.pdf
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